No carpenter’s toolbox is complete without a circular saw. With such power and utility, it’s a no-brainer for any woodworker to have them. They are affordable too. On the contrary, as a handheld cutting tool, it’s hard to control when making a straight cut. But that will be a thing of the past as we will get to know how to cut straight with a circular saw today.
In general, a circular saw requires a straight edge guide to make a laser-straight cut. Yes, you can cut straight with your free hand, but only for a few inches. It’s even more difficult to get this right if it’s for repeated work.
As an experienced carpenter, I thought I could share some useful tips you need for your next circular saw straight cut. Why not? Continue reading and get ready for your turn.
Why Do We Call It A Circular Saw?
The simple answer to this question is that it has a circular blade. The blade stands vertically and follows a straight line for all sorts of cuts. However, the blade doesn’t allow you to cut a circular shape. You will need a table saw or jigsaw in some cases to cut a circular shape.
Is It Hard To Cut Straight With A Circular Saw?
Circular is a very common cutting tool in a carpenter’s arsenal. It’s so effective and affordable that all professionals use it and recommend every beginner to own it. In reality, you can’t have such a powerful tool at such a price range. It cuts straight and cuts fast.
Well, there is a catch, achieving such a cut repeatedly is a bit of a hassle. You can cut one or two medium-size panels with strong hand-eye coordination. But it’s really hard to get the same result with lengthy cuts and stiff wood types. In addition to that, vibration and fatigue also make it more unpleasant to follow straight lines repeatedly.
So it is inevitable to move off of the pencil line and make an uneven cut. This is problematic for any production line and DIY projects as well. It will hurt your productivity, cause discomfort, and lastly your precious time. That’s why experts always recommend using a jig or guide when operating a circular saw.
Cutting Straight With Circular Saw [Effective Ways]
If you are having a hard time getting straight cut with your circular saw, this guide will help you indefinitely. Some of these methods would require you to make an elaborated outline or take the help of other tools. You can also find detailed instructions on how to make jigs and guides easily.
If these aren’t enough, you can take a look at the pre-build tools mentioned below. Pre Build tools are easy to get and affordable. But if you have decent skills don’t shy away from making your own tools, I highly recommend making your own jigs.
1. Circular Saw Straight Cut Without A Guide
The first method you should try is one that requires no additional tools or guide. It might look tough at first but, once you know the whole process it will be easy. You will make some outlines and cut following the line.
One thing to keep in mind, don’t try to cut a lengthy panel on your first try. Try to cut 2 or 3 feet at first. If you feel confident and satisfied with the result, try lengthy panels.
What You Will Need
● A pencil or marker
● Straight edge board or ruler
Do your necessary measurement and mark both corresponding edges of the board. After that, take a ruler or straight edge board and line it up with edge markings. Then, Draw your line. Make it thick if you have a hard time seeing it.
Make The Cut
Once you have drawn your outline, secure the workpiece with a couple of clamps so it doesn’t move while cutting. Now begin cutting from your closest edge and slowly push forward the Circular saw. Remember to keep eye on the line and the circular saw cutting mark on the headpiece. It should be on top of the workpiece outline.
Tips For Cutting Straight Lines Without A Guide
- Keep your cut short
- Maintain steady forward motion
- Keep circular saw at max speed
- Keep your hand out of the cutting outline
2. Circular Saw Straight Cut With DIY Jigs/Guide
The above method is not a great way to cut many panels with a solid straight line. But if you have the skill and patience, you can have your very own jig that will guarantee precise cuts every time. So this process requires you to make a jig out of a narrow wood panel and calm it down with the workpiece. The jig will act as a guide for an accurate straight cut.
The length of the jig depends on your need. If you often cut 8 feet, longboard, you should make a jig that is 8 feet long. Make a shorter jig for a rip cut. For the width, take as much as you can to fit 2 or 3 clamps on both sides of the edge. This will prevent slipping up while cutting.
What You Will Need
- Straight edge 1 by 8 feet long panel
- 4-6 Clamps
- Power drill (optional)
- Slightly longer screw than the thickness of the jig (optional)
Place Your Jig Properly
You need to be careful how you place the jig on the workpiece. Most circular saws have a plastic guide around the blade. When measuring outline, take account of the gap between the blade and guide’s edge. Add that to your outline measurement and place the wooden guide accordingly.
Securing The Jig
For longer-length cuts, it is very important that you properly secure the jig on your workpiece. Place 2 or 3 clamps on each side of the jig. If you have doubt that it isn’t enough, drill some screws 12 inches apart from each other on the jig. These will securely clamp the jig on the workboard.
Cut Straight Alongside The Jig
After securing the jig properly, it’s time to cut the board. Slowly move along the jig and continue cutting until you reach the other end.
Tips For Cutting Straight With Jigs
- Make outline for the jig and the saw line
- Double-check the measurement before cutting
- Slightly push the saw onto the jig so it doesn’t derail from the cutting line
3. Straight Cut With Pre-Build Jigs From The Store
The last method you can try is an easy one in exchange for some money. That means you can buy pre-built circular saw jigs or guides in the hardware store. They can be expensive as well as affordable depending on the material they use to build that jig. And yes! There are many sizes and features that come along with these jigs.
Available Circular Saw Jigs
Here are two most popular circular saws you can get from your local hardware store and online. Before buying any of these products, make sure they meet your cutting requirements.
- Kreg Rip-Cut Guide for circular saw
- Circular saw Kreg Accu-Cut Guide
Types Of Cut You Can Do With A Circular Saw
A Circular saw is a fairly inexpensive carpenter tool for cutting woods. Although, depending on the blade type and Motor power it can also cut harder materials than wood.
As I said earlier, a circular saw only moves in a straight line. That means most of the time you will be using a circular saw for cutting along or against the wood grain. Apart from that, you can also use this saw to cut diagonally from one corner to the opposing corner.
You must have heard Carpenters use special names to identify each cut. Well, here they are.
Rip Cut Or Length Cut: As the name says, the cut follows the board length and along the grain. Let’s say you have a 4 by 8 panel and you want two 2 by 8 panels. After cutting in the middle along the length, you will have two 2 by 8 panels. That’s a length cut.
Trim Cut Or Crosscut: This is more of a side-way cut against the wood grain. If you take the same 4 by 8 panel and make a crosscut in the center, you will end up with two 4 by 4 panels. This is also effective for trimming off any amount of length.
Miter Cut Or Diagonal Cut: Miter cuts are very popular for making a 45-degree angle with two wooden panels. The way you achieve this shape is by cutting the panels diagonally. With precise measurement, miter cuts can achieve any angle as long as it’s below 180 degrees.
Coming To The End….
We hope this detailed post about how to cut straight with a circular saw comes in handy in the future. With these methods and help guide, you will be able to land a straight cut every time you use the circular saw. No more jagged rip cuts for your DIY projects.
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